# git gc
# git rev-parse -q --verify 9c7db5004280767566e91a33445bf93aa479ef02^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/linus master
# git rev-parse -q --verify 9c7db5004280767566e91a33445bf93aa479ef02^{commit}
9c7db5004280767566e91a33445bf93aa479ef02
# git checkout -q -f -B kisskb 9c7db5004280767566e91a33445bf93aa479ef02
# git clean -qxdf
# < git log -1
# commit 9c7db5004280767566e91a33445bf93aa479ef02
# Merge: 2c1212de6f97 05174c95b83f
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Tue May 21 12:51:20 2019 -0700
# 
#     Merge tag 'selinux-pr-20190521' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux
#     
#     Pull SELinux fix from Paul Moore:
#      "One small SELinux patch to fix a problem when disconnecting a SCTP
#       socket with connect(AF_UNSPEC)"
#     
#     * tag 'selinux-pr-20190521' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux:
#       selinux: do not report error on connect(AF_UNSPEC)
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux-gcc --version
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux-ld --version
# < git log --format=%s --max-count=1 9c7db5004280767566e91a33445bf93aa479ef02
# < make -s -j 24 ARCH=s390 O=/kisskb/build/linus_s390-allnoconfig_s390x CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux-  allnoconfig
# make -s -j 24 ARCH=s390 O=/kisskb/build/linus_s390-allnoconfig_s390x CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux-  
/kisskb/src/arch/s390/kernel/machine_kexec.c:146:22: warning: 'do_start_kdump' defined but not used [-Wunused-function]
/kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl':
/kisskb/src/kernel/printk/printk.c:194:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized]
Completed OK
# rm -rf /kisskb/build/linus_s390-allnoconfig_s390x
# Build took: 0:04:40.806820